344 FUXGUS-FLOPtA. 



DACTYLAPJA. Sacc. (fig. 2i, p. 27-i.) 



Saprophytic. Sterile liypliae present or almost obsolete; 

 fertile erect, simple ; conidia fusoicl or more or less clavate, 

 clustered in an irregular manner at the apex of the stem, 

 2- many-septate, hyaline or brightly coloured. 



BactyJaria, Sacc, Mich., ii. p. 20; Sacc, Syll., iv. p. 194. 



Dactijlium, Bonord. (in part.) 



Dactijlella differs in having only a single conidium at the 

 apex of the fertile hyphae. 



Dactylaria orchidis. Ckc & Mass. (fig. 24, p. 274.) 

 Scattered or solitary ; fertile hyphae erect, simple, 

 springing from a delicate, branched mycelium, septate, 

 250-280 X 10-12, filled with orange colouring-matter, apex 

 2-3-times dichotomous, branchlets short, almost erect ; 

 conidia fusoid, 4-guttulate, then 3-septate, hyaline, 40-50 x 

 7-9 /x, solitary at the tijjs of the branchlets, and altogether 

 forming a lax head. 



Dactylaria orchidis, Cke. & Mass., Grev., xix. 2^. 42 ; Sacc, 

 Syll., Suppl., vol. X. n. 7248. 



On putrid leaves of Oncidium macrantJiiim. 



Tribe 9. ItamuJariecie. Sacc. 

 EAMULAPJA. Unger (emended), (figs. 27, 28, p. 274.) 



Parasitic ITyphae simple or with short, scattered 

 branchlets, tips denticulate and bearing conidia which are 

 1- many-septate, colourless or larely brightly coloured, and 

 m some species catenulate. 



Bamularia, Unger, Exanth., p. 169; Sacc, Syll., iv. p. 19(3. 



The parasitic habit, simple or sparingly branched hyphae 

 denticulate and bearing the septate conidia at the tips, clia- 

 racterise the fi:enus, which difiers from Oiularia only in the 

 septate conidia. 



Ramularia hellebori. Fuckel. (fig. 28, p. 274.) 

 Forming sulKjrbicular spots on both sides of the leaves, 

 spots white with a rather broad black margin ; hyphae 



